package cn.itcast.service;

import java.util.List;
import java.util.Map;

public interface ReportService {
    //查询每个月的会员注册
    List<Integer> findMemberCountByMonths(List<String> months);
    //查询各个套餐的预约情况
    List<Map<String, Object>> findSetmealCount();
    //获取excle数据
    Map<String, Object> getBusinessReportData() throws Exception;
}
